code: def _execute(command):
      env = os.environ.copy()
  
      process = subprocess.Popen(
          ["Rscript", "-e", command],
          env=env,
          close_fds=False,
          stdin=sys.stdin,
          stdout=sys.stdout,
          stderr=sys.stderr,
      )
      if process.wait() != 0:
          raise Exception("Command returned non zero exit code.")
  
file_path: mlflow/mlflow/rfunc/backend.py
imports: import logging
  import os
  import re
  import subprocess
  import sys
  from mlflow.exceptions import MlflowException
  from mlflow.models import FlavorBackend
  from mlflow.tracking.artifact_utils import _download_artifact_from_uri
  from mlflow.utils.string_utils import quote
label_desc: Use image node_id 1 for calling a global function with example usage: _execute(command) without return types